Question: What is the antonym of fertility - the medical specialty that focuses on reproductive endocrinology and infertility?
Paraphrase: What is the antonym of richness - the therapeutic forte that centers on regenerative endocrinology and fruitlessness?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q964401 wdt:P461 ?answer . ?answer wdt:P1995 wd:Q17145564}
Answer: infertility